20468827228 has 12 divisors (see below), whose sum is σ = 36355081672. Its totient is φ = 10081661040.

The previous prime is 20468827187. The next prime is 20468827229. The reversal of 20468827228 is 82272886402.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20468827229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38187843 + ... + 38188378.

Almost surely, 2^20468827228 is an apocalyptic number.

It is an amenable number.

20468827228 is a deficient number, since it is larger than the sum of its proper divisors (15886254444).

20468827228 is a wasteful number, since it uses less digits than its factorization.

20468827228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76376292 (or 76376290 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 49.

The spelling of 20468827228 in words is "twenty billion, four hundred sixty-eight million, eight hundred twenty-seven thousand, two hundred twenty-eight".